Disk-honer.



J. -PFBIFBB 'DISK BONER.

APPLIUATION FILED JANA, 1908.

.908, 129, Patented Dec. 29, 1908.

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@wupm wf uw ,Q Fly. 5. www' the frame, a cam b2.

UMTED srnrns Parana? o'rnron.

JOHN'PFEIFER, CF SPRINGFiELD, OHO.

DISK-HOE To all whom Lt may concern:

Be it known that I, JOHN PFEIFER, a citizen'- of the United States, residing at Springn field, in the county of Clark and Stateof Ohio, have invented certain new and useful lrnlprovemen-ts in Disk-Honers, of which the fol owing is a speciiication.

My invention relates to improvements in honers-.and it particularly relates to a device of this kind especially adapted for honing disk cutting blades such as the ones now in common use in wall paper trimmers.

The object of my invention is to provide means for changing the position of the honing stones relatively to the blade during the operation of honing Aso as to prevent the honing-surface of the same from becoming rid ed or uneven.

further object of my invention is to simplify, eheapen and' make more effective the construction and operation of these devices.

My invention consists in the constructions ,and combinations ,of arts hereinafter described'and set forth 1n the claims. l,

In the laccompanyi drawings, Figure 1 is a'l top plan view of a evice embodying my improvements, considering that in the operation of the device the operator will grasp the handle withhis left hand and operate the crank with his right, holdingthe device in a horiaontal position; Fig. 2 is a side elevation of the crank side of the same; Fig. 3 is an end view of the device showing the honing stones inone extreme position of their movement; Fig. 4 is also an' end view showing the honing sto-nes in the other extreme position of theirmovement; Fig. 5 .is a view of that side opposite the one on which the crank is located, the blade being part-ly broken away.

Like parts are representedby similar char-l acters of reference in the several views.

In thesaid drawings, a 0,1 a2, represent the main frame, preferably formed of U-shape, and having at one end thereof on the part, a, a suitable handle a? to be grasped by the operator. Journaled in the opposite ends of the frame parts, al a2, is a main shaft, b, havsecuredzat one end an operating crank,

b1, and also having rigidly attached thereto, at a point-between the two side members of This shaft is preferably capable of a longitudinal movement in the Specification of Letters Patent.

Patented Dec. 29, 1908.

Afmplicaton filed January 4, 1908. Serial No. 409,269.

.about the cam b2 is aforked piece or yoke c1, this forked piece or yoke being connected t0 said rock shaft through the medium of a set screw, c2, extending through the hub c3 thereof to permit the yoke to be adjusted on saidv rock shaft. Connected to the outer end of said rock shaft is an upwardly4 extending arm c4, carrying at its outer end ahoning stone c5. This rock shaft is also capable of longitudinal movement in its bea-rings in the frame parts and is normally spring pressed toward the right hand side of the device by a coil spring c6 located between the frame extension af* and the hub ofl the yoke c1, the shaft being limited in its movement by the contact of said yoke or its` hub, with the frame part al. Also located in extensions a5 and a of the main frame is a rock shaft d. These frame ex-4 tensions are located in a slightly angular position with reference to the main frame so that the rock shaft will extend in a slightly angular direction but not sogreat .as the angle of the other rock shaft c. This rock shaft d, also carries a forked piece or4 yoke di, Asecured to said shaft' by a set screw d2 in its hub d3 which yoke or fork also straddles the said cam b2. This rock lshaft also has atl its outer orleftjliand end an upwardly extending arm d4, Iwhich lcar'- ries at its upper end a honing stone d5. The rock shaft d is also vcapable of 1a limited movement in its bearings and has locatedthereon between the framev extension d5 in a direction opposite to that in whiolifthe shaft c is pressed;

The disk cutting blade e, to be honed is secured to the end of the shaft, h, by the` screw e1, and the adjustment and location spring pressed against ofy the honers is such contact the inner or straiglht edge-of the disk. The adjustment oft e honing stone is also such that the outer ends of the stone will run off of the edge of the disk in one :thus preventing a. ridge. or groove from extreme oftheir movement, the stone d5 in Fig. 3, and'thesto'ne'c5 in Fig. 4 illustrating this.

v It will now :be seen that as the shaft b is rotatedby its crank, the cam, b2, Will 20,

throu hthe medium of the respective yokes or for ed pieces, c1 d1,- cause theA rock shafts c and d to be rocked back and forth, carryingwith them the respectivehoners c5 and d5 across the cutting edge of the disk, so

lthat the entire surface of each honingstone 'from its outer end to a point near its inner end .will be utilized lin the honing action,

forming on the outer end of the stone which would tend to dull the edge of the disk.

. Having thusv described my invention, I claim: v A 1f. In a honing device, a support for the article to be honed, a honer located adjacent to the plane occupied by the edge of said art1- cle, means for bringing said honer into conl tating sai .40

' tact with the edge of said article about the entire peri hery thereof, and means for roarticle and reciprocating sald honer, substantially'as specified.

2.' In'v a honing devlce, a support for the articleto be honed, honers located adjacent tol the plane occupied by saidarticle and on i opposite sides thereof, means for bringing said honers in contact with the edge of'said article about the entire periphery thereof,

and means for rotating said article and re-A ciprocating said honers, substantially as andv Y for the purpose specified.

3. In a honing device, means for supporting and rotating the article to be honed, a s ring-pressed honer located adjacent tothe pIane occupied by the edge of said article, and means for reciprocating said honer, substantially as specified.

4. In a honing device of the -character described, means for supporting and rotating the article to be honed, a spring-pressed f honer located on each side of and adjacent to the plane occupied by the edge of said article,.and vmeans for reciprocating said honers as the article is rotated, substantially `as specied.

said shaft, a honer located adjacentv to the v plane occupied by the edge of'said article,

and m'eans operated by said'shaft for reciprocating said honer, substantially as and for the purpose specified.

6. .In a honing device of the character described, a rotatable shaft, means for securing the article to be honed to saidshaft, a honer located on each side of the planeoccupied by the edge of Said article, and means o erated by s aid. shaft for reci rocating said oners, substantially as speci ed.

'7. In a honing device, a rotatable shaft, means for securing the article to be honed on said shaft, a rock-shaft, a honer on said rockshaft extending in proximity to the. plane. occupied by the edge of saidl article, and' Vmeans operated by said rotatable shaft for rocking said rockshaft, substantially as specified.

- 8. In a honingdevice, a rotatable main shaft, meansfor securing the article to be honed thereon, two rock-shafts, a honer supported by each of said rock-shafts in prox imity to the plane occupied by the edge of said article and on opposite sides thereof,

means for holding said honers yieldingly against the edge of said article, and means operated by said main shaft for rocking said rock-shafts, substantially as specified.

9. In a honing device, a main rotatable.'

shaft, means for supporting the article to be honed thereon, a rock-shaft, a honer connected to said rock-shaft extending in proximity to the plane occupied by the edge of said article, means for holding said honer yieldinglyvto said article, a cam on said main shaft, and a projection on said rock-shaft shafts extending in proximity to said cam tocause said rock-'shafts to be rocked thereby, substantially -as specified.

11. In a honing device, a shaft, means for securing the article to be honed thereto, a rock-shaft, a -honer su 'ported by said rock-shaft in proximity to t e plane occupiedby the edge of said article, said honer being set -in angular relation to said plane and-held yieldingly therein, and means operated by said main shaft `for rock ing said rock-shaft, substantially as and for the purpose specified.

main rotatable 12. In a device of the character described, a main rotatable shaft, means for supporting the article to be honed thereon, two rockshafts, a honerconnected to cach of said rockshafts and locatedin proximity to the plane occupied by the edge of said article and on opposite sides thereof and in angular relation thereto, and means operated by saidrotatable shaft for rocking said rock-shafts, substantially as specified.

In testimony whereof, l have hereunto set my hand this 28th day of December, 1907 JOHN PFEIFER.

Witnesses:

MARY WALL, CHAs. I. WELCH. 

